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Finding the Fourth Proportional to 231,973.88, 347,960.81 and 56,869.88

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Solution

The fourth proportional to 231,973.88, 347,960.81 and 56,869.88 is: 85,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,973.88 : 347,960.81 = 56,869.88 : x
  2. Step 2: Convert to fraction form
    231,973.88/347,960.81 = 56,869.88/x
  3. Step 3: Cross multiply
    231,973.88x = 347,960.81 × 56,869.88
  4. Step 4: Simplify right side
    231,973.88x = 19,788,487,911.77
  5. Step 5: Solve for x
    x = 19,788,487,911.77/231,973.88
  6. Step 6: Final answer
    x = 85,304.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.